Shapland, D., & Rycroft, M. (1984). Spacelab: Research in Earth Orbit. Cambridge University Press.
Dyfyniad Arddull ChicagoShapland, David, and Michael Rycroft. Spacelab: Research in Earth Orbit. Cambridge: Cambridge University Press, 1984.
Dyfyniad MLAShapland, David, and Michael Rycroft. Spacelab: Research in Earth Orbit. Cambridge University Press, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.